122100000100 has 72 divisors (see below), whose sum is σ = 285427925888. Its totient is φ = 45068918400.

The previous prime is 122100000097. The next prime is 122100000119. The reversal of 122100000100 is 1000001221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4707367 + ... + 4733233.

Almost surely, 2^122100000100 is an apocalyptic number.

122100000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122100000100 is an abundant number, since it is smaller than the sum of its proper divisors (163327925788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122100000100 is a wasteful number, since it uses less digits than its factorization.

122100000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29525 (or 29518 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 122100000100 its reverse (1000001221), we get a palindrome (123100001321).

The spelling of 122100000100 in words is "one hundred twenty-two billion, one hundred million, one hundred", and thus it is an aban number.